java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:22:05,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:22:05,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:22:05,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:22:05,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:22:05,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:22:05,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:22:05,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:22:05,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:22:05,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:22:05,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:22:05,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:22:05,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:22:05,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:22:05,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:22:05,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:22:05,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:22:05,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:22:05,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:22:05,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:22:05,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:22:05,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:22:05,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:22:05,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:22:05,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:22:05,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:22:05,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:22:05,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:22:05,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:22:05,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:22:05,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:22:05,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:22:05,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:22:05,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:22:05,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:22:05,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:22:05,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:22:05,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:22:05,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:22:05,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:22:05,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:22:05,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-03 13:22:05,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:22:05,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:22:05,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:22:05,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:22:05,827 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:22:05,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:22:05,827 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:22:05,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:22:05,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:22:05,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:22:05,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:22:05,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:22:05,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:22:05,828 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:22:05,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:22:05,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:22:05,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:22:05,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:22:05,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:22:05,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:22:05,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:22:05,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:22:05,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:22:05,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:22:05,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:22:05,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:22:05,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:22:05,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:22:05,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-03 13:22:05,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:22:05,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:22:05,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:22:05,905 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:22:05,905 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:22:05,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-10-03 13:22:05,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebaf6e8a/8108d2ef0fd54fb1b507728d4d1d73b8/FLAG8223092ed [2019-10-03 13:22:06,524 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:22:06,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-10-03 13:22:06,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebaf6e8a/8108d2ef0fd54fb1b507728d4d1d73b8/FLAG8223092ed [2019-10-03 13:22:06,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebaf6e8a/8108d2ef0fd54fb1b507728d4d1d73b8 [2019-10-03 13:22:06,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:22:06,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:22:06,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:22:06,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:22:06,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:22:06,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:22:06" (1/1) ... [2019-10-03 13:22:06,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e611eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:06, skipping insertion in model container [2019-10-03 13:22:06,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:22:06" (1/1) ... [2019-10-03 13:22:06,805 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:22:06,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:22:07,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:22:07,346 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:22:07,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:22:07,476 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:22:07,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07 WrapperNode [2019-10-03 13:22:07,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:22:07,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:22:07,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:22:07,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:22:07,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07" (1/1) ... [2019-10-03 13:22:07,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07" (1/1) ... [2019-10-03 13:22:07,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07" (1/1) ... [2019-10-03 13:22:07,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07" (1/1) ... [2019-10-03 13:22:07,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07" (1/1) ... [2019-10-03 13:22:07,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07" (1/1) ... [2019-10-03 13:22:07,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07" (1/1) ... [2019-10-03 13:22:07,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:22:07,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:22:07,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:22:07,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:22:07,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:22:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:22:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:22:07,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:22:07,657 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 13:22:07,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:22:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 13:22:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:22:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:22:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 13:22:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:22:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:22:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:22:09,631 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:22:09,632 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 13:22:09,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:22:09 BoogieIcfgContainer [2019-10-03 13:22:09,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:22:09,634 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:22:09,634 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:22:09,634 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:22:09,636 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:22:09" (1/1) ... [2019-10-03 13:22:09,636 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-03 13:22:09,666 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:22:09,667 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:22:09,676 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:22:09,684 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:22:09,685 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:22:09,940 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 87 for LOIs [2019-10-03 13:22:10,374 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-10-03 13:22:10,820 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6854 conjuctions. This might take some time... [2019-10-03 13:22:10,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-10-03 13:22:11,171 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6854 conjuctions. This might take some time... [2019-10-03 13:22:11,289 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-10-03 13:22:11,469 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6854 conjuctions. This might take some time... [2019-10-03 13:22:12,677 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 78 for LOIs [2019-10-03 13:22:13,306 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-10-03 13:22:13,887 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6854 conjuctions. This might take some time... [2019-10-03 13:22:14,161 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-10-03 13:22:14,531 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6854 conjuctions. This might take some time... [2019-10-03 13:22:14,694 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:22:14,694 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:22:14,696 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3046#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 10 ~a28~0) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a28~0 10) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (not (= ~a11~0 1)) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= ~a17~0 7) (<= ~a19~0 1) (= ~a19~0 1) (<= ~w~0 23) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (= ~a28~0 10) (<= 1 ~a21~0) (<= ~d~0 4) (not (= ~a25~0 1)) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~f~0 6) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)) [2019-10-03 13:22:14,711 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:22:14,711 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:22:14,714 INFO L168 Benchmark]: Toolchain (without parser) took 7923.10 ms. Allocated memory was 138.9 MB in the beginning and 500.7 MB in the end (delta: 361.8 MB). Free memory was 83.3 MB in the beginning and 307.5 MB in the end (delta: -224.2 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. [2019-10-03 13:22:14,715 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 13:22:14,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.17 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 83.1 MB in the beginning and 159.1 MB in the end (delta: -76.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-10-03 13:22:14,718 INFO L168 Benchmark]: Boogie Preprocessor took 98.21 ms. Allocated memory is still 199.8 MB. Free memory was 159.1 MB in the beginning and 154.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-03 13:22:14,719 INFO L168 Benchmark]: RCFGBuilder took 2057.02 ms. Allocated memory was 199.8 MB in the beginning and 267.4 MB in the end (delta: 67.6 MB). Free memory was 154.1 MB in the beginning and 215.3 MB in the end (delta: -61.2 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. [2019-10-03 13:22:14,725 INFO L168 Benchmark]: Sifa took 5077.38 ms. Allocated memory was 267.4 MB in the beginning and 500.7 MB in the end (delta: 233.3 MB). Free memory was 215.3 MB in the beginning and 307.5 MB in the end (delta: -92.2 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. [2019-10-03 13:22:14,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.17 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 83.1 MB in the beginning and 159.1 MB in the end (delta: -76.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.21 ms. Allocated memory is still 199.8 MB. Free memory was 159.1 MB in the beginning and 154.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2057.02 ms. Allocated memory was 199.8 MB in the beginning and 267.4 MB in the end (delta: 67.6 MB). Free memory was 154.1 MB in the beginning and 215.3 MB in the end (delta: -61.2 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. * Sifa took 5077.38 ms. Allocated memory was 267.4 MB in the beginning and 500.7 MB in the end (delta: 233.3 MB). Free memory was 215.3 MB in the beginning and 307.5 MB in the end (delta: -92.2 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 5030, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 250, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 244, TOOLS_POST_TIME[ms]: 160, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 45, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_APPLICATIONS: 252, TOOLS_QUANTIFIERELIM_TIME[ms]: 160, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 252, FLUID_YES_ANSWERS: 114, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 1071, DOMAIN_ALPHA_APPLICATIONS: 114, DOMAIN_ALPHA_TIME[ms]: 3399, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 39, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 102, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2715, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2715, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2651, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2650, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 1420, DAG_COMPRESSION_RETAINED_NODES: 187 - UnprovableResult [Line: 580]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 3046#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 10 ~a28~0) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a28~0 10) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (not (= ~a11~0 1)) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= ~a17~0 7) (<= ~a19~0 1) (= ~a19~0 1) (<= ~w~0 23) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (= ~a28~0 10) (<= 1 ~a21~0) (<= ~d~0 4) (not (= ~a25~0 1)) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~f~0 6) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...